Comparative spectroscopic studies on porphyrin derivatives: electronic perturbation of N-confused and N-fused porphyrinsElectronic supplementary information (ESI) available: Details of the experiments, theoretical calculations and spectroscopic measurements. See DOI: 10.1039/b916521e

N-confused and N-fused porphyrins revealed quite unique photophysical properties arising from their perturbed π-conjugation pathways induced by structural modifications such as confusion and fusion of pyrrole rings compared with their parent porphyrin molecules. [ABSTRACT FROM AUTHOR]